iOS: showing an alert when getting a call?

Question

I would like a local notification to be fired when a call is received (and to show an alert) - is this possible? Can a call event get an app to launch or a notification to b

Answer 1

The best you can do is hook the applicationWillResignActive method, which gets called basically whenever your app loses focus (which happens when a call comes in, but also happens for other reasons, so it's not perfect).

See: http://developer.apple.com/library/ios/#documentation/UIKit/Reference/UIApplicationDelegate_Protocol/Reference/Reference.html